USN-4279-1: PHP vulnerabilities

php5, php7.0, php7.2, php7.3 vulnerabilities

A security issue affects these releases of Ubuntu and its derivatives:

Ubuntu 19.10

Ubuntu 18.04 LTS

Ubuntu 16.04 LTS

Ubuntu 14.04 ESM

Ubuntu 12.04 ESM

Summary

Several security issues were fixed in PHP.

Software Description

php7.3 - server-side, HTML-embedded scripting language (metapackage)

php7.2 - HTML-embedded scripting language interpreter

php7.0 - HTML-embedded scripting language interpreter

php5 - HTML-embedded scripting language interpreter

Details

It was discovered that PHP incorrectly handled certain scripts.
An attacker could possibly use this issue to cause a denial of service.
This issue only affected Ubuntu 12.04 ESM, Ubuntu 14.04 ESM and Ubuntu 16.04 LTS.
(CVE-2015-9253)

It was discovered that PHP incorrectly handled certain inputs. An attacker
could possibly use this issue to expose sensitive information.
(CVE-2020-7059)